Case XX USA Beautiful Smooth Natural Bone SKULLS Bullet XX Trapper Knife. Only 500 made. Beautiful Smooth Natural bone handles feature beautiful patriotic Skulls artwork and the Case XX Bullet inlay shield. 4 1/8” closed. Nickel silver bolsters and Tru-Sharp Stainless Steel blades. New in Box. Only taken out for photos. Brand new, Nice knife. Would make a great addition to your collection.